NestDaddy

ARC-Relay Email

com.arc-relay/mcp ยท v1.3.0

Checks any domain's DMARC, SPF, MX and DKIM setup, scores it 0-100, and ranks the fixes.

Connect Remote server

Terminal
claude mcp add --transport http mcp https://arc-relay.com/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
~/.cursor/mcp.json
{
  "mcpServers": {
    "mcp": {
      "url": "https://arc-relay.com/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "mcp": {
      "type": "http",
      "url": "https://arc-relay.com/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://arc-relay.com/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

The tool list was not available in our last check.

Headers

NameDescription
Authorization
Optional, secret
Optional. Only needed for account tools: Bearer ar_live_ key from https://arc-relay.com/settings.html. The 6 public read-only tools work with no key.

Details

Endpointhttps://arc-relay.com/mcp (Streamable HTTP)
First published2 Nov 2026
Last updated2 Nov 2026
Registry namecom.arc-relay/mcp

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